1929年(👷)蒋桂(🆓)战(zhàn )争(✒)爆(bào )发(🥇),军阀势力割据(jù )。共产党员(🕸)覃(🛍)文邕(yōng )肩负争取(qǔ )(🎺)桂系武装力量的(🛤)任务(wù )来到(dào )南宁(níng ),要争取的对象是义兄章云林,义(📼)弟满海子因误会(🔸)投奔蒋介石。三兄弟因立场和信(🥄)仰(🛹)不(🚉)同,展开了较量。章云林在革命(mìng )的感(🚸)召(zhào )下(xià ),揭竿起义,最(🤷)终(🔊)为(💞)革(gé )(⏺)命献(🌙)身,战(zhàn )死(sǐ )沙场(chǎng )。满海子经历种种矛盾冲突,了解(jiě )事(🥔)实真相(xiàng ),战死沙场(chǎng )。覃文邕的亲密爱人林(lín )瑶(yáo ),经(jīng )历(lì )种种(⛏)考验,追(🧤)随覃(tán )文(🤲)邕加入共产党。